1. Syndrome of dampness intermingled with asthenia of the spleen
Main syndromes and signs: Pyorrhea inside the affected ear is mostly intermittent, profuse in quantity, thin in quality, white in colour and free from odour. The perforation of the tympanic membrane lies in the tense part and is larger. The mucosa of the tympanic cavity is reddish or pale. The patient has pale complexion, poor appetite, lassitude, fatigue and loose stool. The tongue is pale with white and greasy fur and the pulse is soft.

2. Syndrome of deficiency of the kidney
Main symptoms and signs: The pus discharge inside the ear is prolonged, sticky and thick, with odour, and is often intermingled with blood. There exists granulation or polyp inside the tympanic cavity. Tympanic membrane perforates in the marginal  part. There exists severer conduction deafness. X-ray film of the mastoid process sees the vague transparent area. The patient suffers from dizziness, fatigue and aching pain in loins and knees. The tongue is red with a bit of fur and the pulse is thready and rapid.

3. Syndrome of hyperactivity of the liver due to asthenia of the kidney
Main symptoms and signs: Pyorrhea inside the ear is sometimes profuse and sometimes scanty. There exists the substance like bean dregs with special foul odour in the pus. The patient has severer conduction deafness or mixed deafness.